Shock-absorbing device



sepn 7, 1926..

B. L. MALLRY SHOCK ABSORBING DEVI CE z 'sheets-sheet 1 Sept. 7 1926.

B. L. MALLRY 'SHOCK ABSORBING DEVTCE Filed Dec.

- Vwhich shall bevdevoidof-sprinvs, and fabric.

or woven belts and .hence free Patented Sept. 7, '1.926. Y

UNI-r151DhisTa'ils BONNIE' L. MALLORY, or CLEVELAND, onto.

'f snooK-ABsoRBING `Dnvrcril y Application `flied nember ze, 19h22..serial lvalsoasifzf`v rf This inventionrelates to shoclabsorbing devicesand has particular Areferencetolaf device vfor controlling the reboundaction of @i3/vehicle spring.y Y Seme of the rkobjects ofthepresent'ivention arefto provide a shock absorbing device frombreaking or 4excessive stretching of these parts;` to

provide a' shock absorbingdevice which'may beeasily attached to thevehicle frame or in vthe Vcase of Ford. lautomobiles `may be attachedtothe head lightv bracket; to Aprovide al device of the aforesaidcharacter y.which shalljbe eiicient in operation,v completely, enclosedand hence dust-proof, and which shall consist of a minimumnnum'ber ofparts which are inexpensive tomanufact'ure and assembler; while furtherobjects land ,advanceeds. l y In the accompanying vdrawings f ormingapartof .this application, Figs. 1 and2i are tages iwilllf.. appear asthe. s description vpro-4 respectively VfrontV and side elevationsfof mydevice Vshowing the s same attached between the axle land ,head lightbracket of .a Ford' automobile,Figf is a vertical.A sectional viewlthrough the housing ofv my device;

Fig., 4 isa sectional view taken on the liner of Fig. 3 and showing-'theposition of 1 Athe elements when the vehicle spring iscoinpressed Fig. 5is asimilar View but showing the position offtheelements at the comple-A ytion of the reboundfstroke fofl the spring;

v at'l-`l :The sidetof housing 1 opposite" the Fig.6 is a Iverticzlllsectionalview through a modified 'form' of device.; and F ig. 7 is anenlarged detaill plan view showing the manner Vof attaching'the vbrakeshoes to the brake band'., Y

, "Describing thel various parts .hyrreference Y characters, 1denotfes`-v anannular sheet metal :housing comprising fa ibasel portion2 and side wall' whichis enlarged as 'indicated' base 2;;is open, and'receives therein aA brake ,drum f 5 {may'fffalsoI fbe Y formed from.,sheet metal. lThis'drum` comprises 1 an V an-V`"nularfbrakngrsurface"6, `which is' rotatably {niomreawithinth'eidueafporuon of Sider wall 7 3, al base. 'portion` 7 of," enlarged Ldiametenwhich closesthe open side ofcasingf1.l The ,o centralportionvrofbase 7, is'

" Y iformeawith ,an inwardly' directed cenar i8 v iiv'hiehisrtatablyjlnounted on thereduced 'portion 91 fof a'jshaft 10.' Theopposite ,erfd

catedat 11 andthis reducedv end projects f p dj bracket 1 2, andiisfastenedf to the latter ,by a vnut-Slet threadedon the 'end yof vsaidshaft; The base. 2f is-l fastenedy yto .the bracket by ya lplure'rlityVj through base Zand a` supportin of rivets 15.','l3raclretv 12= 4is y'of channel f orrrrlation` and `is "suitably shaped tog'e'mbracethe lowersurface ofa head light sup,-V

poiting arm ll I sshown in Figs. 1,and 3,3 r averticail lamprod. 17projects downwardly througharmlG and through bracket 12l and a nut 18applied tothe end oflsaid rodfsecuresk the parts together." The ,headlight supporting arm andl rod as shown,farerof standard Fordconstruction andin applyingl a shock .absorbingdevice `of this characterto :a lord` or .other automobile" employing a similar arrangement,V itis onlynecessary tolremove nut 18 and apply bracketfltoltheend, of rod17 and'replace thep-nuti u i A beratend- 20 has erregend. haar fastenedas by, means 'of rivets 21,.t otheen-Kl f v larged'zportionjof casing "1andthi's bandv '.encircles-the brakingfsurface of f brake drum l5and'v'at the other end, saidband has fastened thereto a resilientfinger] 22, the end whereof is curvedto embrace a roller,`

23 whichr isriispofsed;within-aie enlarged Y 'port-ione@y of casing :1.The rshoulder `25,or formed by sidewall '53' and enlargedportion4 4,and; a washer 2 6, ,disposed ,aboutb'ralging' surface 6, define aguidewayjorlbrake 4band 2Oy and roller 23. flu this'fconnection itwill vbe noted. that yresilient finger 322, which is APreferablyinadeiofspring steel, fastened to theouter surface ofban'd 2O Vand theproje'ctio'nl thus` formed" isadapted to Contact with inwardlydirec-tedjportionV28..of l :if 'l e5v f casingl, tolli-mit the expansionof "said band.

2341s of such ldiameterfasy to retain, said finge ,in ,co,ritactVv withsysaidv brake drum Y at 'all times. f f f' fl, The base 7 of brake,drumA1s jfaste'nedrby` meansfo'f. me@ arfrjam ai .alhier-is ,Y journaled onthe fr "educed' y"portion 9 of v'shaft l 'a- 'ela-mp V3.4 which 'is fattached to the' iknterpjsalfA` biet-Ween Y 1 Y Washer 26 and the base 7of the brake drum so that the casing niay be filled with lubricantthrough a suitable opening 37.v

The operation of the device thus described is as follows: lWhen thevehicle spring is compressed, rod 33 Will be'inoved upwardly therebyrocking arm 3l and brake druni 6 iii a clockwise direction "as viewedVin Fig.

V4. The brake drum being in Contact with finger and the latter incontactv lWith roller 23, Will nieve said finger back againstandperinit-"tliebrake drunito rotate reelyz y(,)iithe rebound action ofthe spring, rod 33 ivill'niove 'doiinwardly thusrocking arin and drum Gina counter clockwise direction as viewed in l5. Rotation of brakedriiiirin' this direction causes finger to r'ide'be'tiifeen said druiiiand roller 23 toA tightenV the biale"band v about the drurn` andthiis'che'cl the rrebound action of the spring;

i relationV tojthe innersideof the bralebaiiil in any' suitable inanneras by deflecting the metal ofthe brake band into the Wood as slibivn; at42 in Figs; Gf and '7. These Woodenbl'cclrsforin shoes which contactwith the b'iake. druiii- 6 in the saine inanner as pre# to saiviouslyfdescribed. Blocksfll are prefei'ablv arranged ivitliltlie end'grain in Contact Wit the bralge drum and the end surface of thesebloclisisoon becoineglaaed and impart a-,sinootli braking action' on therebound stroke ofthe vehicle spring. While Ighave* shoivn and describedva devicey for -iii'oiinting "on F ord and lother autoniobiles having as iinilar headlight arrangement, 'it ivill beobvious thattheI saine may`be apozliedfby fastening they casing directly to thevehicleframe, thelatter iiio'unting being avvell'knovvn practice and detaileddescription' Vthereof isi" deemedfunnecessary" l Having thus Whatlclainiyis:A y v n .v Y lvl.v A shock absorbing device ofk thejcharacter'setyforth conipris'ing al casing and an efieinent inovable 4Within saidcasin" Ine'ans described invention,

f v v c i C? for connecting saidy vcasing andv element, one

to a vehicle iranieei1d'-fhe Gilberte/the 11u11- Yofsaid vehicle,vaffriction inerti-y df about Said movablejvelement, ,olsed bet-Ween,Said Casing i w: 5%. I traine' in one direction and-rel ase Vadfriiniberl 'and'y adptedftojtighten said.acter'setfortlijcoinpr nieaiis`for connecting said casing and drum,

one to a vehicle frame and the other to the Vrunning gear of saidvehicle, a brake' band disposed about said drinn and. having one endhired' and the other end in Contact With said drum, and a movable,eleineiitadapted toy tighten'sa'id brake band about said druin rip/onvmovement of said running gear With respect to said fi'aine in onedirectionV and release upon' inoveinent in `an opposite direc-V tion.

actrer setferth'coiiipirising a casing adapted Y to be; connected vtova` vehicle franie7V a brake druni rotatable. in said casing and adapted3Q A shock` absorbing-device ofthe charto/.be connected'ivi'th theruiming gear of said vehicle, va brake band connectedtosaid casing and`disposed about saidrdrurn, and a roller interposed between said casing'and the'v free end ofv said brake' band, `said roller adaptedtopi'orduce a binding keffect on said brake band uponnioveinent of therunnin@ gear iii onev direction with respect to said` fraine and toallow said brake druin to rotate `freely upon movement of said run# fning gear in the opposite direction.

44L. AIshock` absorbing device. ofzthe 'Char-Y acterset forth comprisinga casing adapted to be connected' to a vehicle frame,` abi-alie druinrotatable in said icasing and adapted tov be connected `iviththe runninggear of said vehicle, a brake ,band connected' to said mcasingianddisposed' about/said drum, and

a rollerfor holding the free endof said band in .contact with saiddruin7` the roller'bein'g adapted to bind the 'free' end of said band tosaidjdi'uni: upon inovenientof said vehicle runninggeariwith respect tosaid frame' in one ldirection Aand yloosen upon Vino'veineiit in anopposite direction. I L g v5. A shockl absorbingj device of the char#acter set forth comprising a casing and a brake druni rotatable Withinsaid casing, iiieans for. connecting said casing Iand drum, oil@ t0avehicle frame 'and the other to the Vrunning gear of saidl vehicle, abrake band disposed about said' drinn and'liaving one 61101 Connectedto, Saidfcaslls, the. Other-,end

offsaid band bein'ggheld" in frictioiial contact Witlisaid drunibyrvanielenieiift engaging therewith, Said, .elellelit being` adapted?tc a resist turning. movement Qf" Sad'driim. in

one directionand. to inovewthsaiddriiin ivlien the vdruni' is turned inthe"y opposite. dir-@diem i I f 6 A. Shack abserbina device O-fflthfhwi-Sine? i iilar" and `a} side -vvall afb ake'fdiu having abase," h g I'fac' ,sai'd'drii casing and said last mentioned base closing the openside of said casing, means for attaching said casing and drum, one to aveliicleframe andthe other to a vehiclerunning gear, la brake bandinterposed between" vsaid easing and druniand disposed about casing,theotherend of said band being in .f

rictional contactl with said drumfand asaid braking surface, one end ofsaid band being'connected to said casing and the other end of said bandbeing infrietional Contacty with said drum,v and a roller interposedbetween said band and casing vfor holding the endof said band in contactwith said drum during rotation of drum vand Casing, one with respe'et'tothe other. Y

7. A shook absorbing device for the character set forth comprising anannular casing having a brake drum rotatably mounted therein, means forconnecting said 'easing and drum, one to a vehicle frames and theV otherto the ruiming gear of said vehicle, a

brake band disposed about said drum and having one endthereof` connectedto said l roller disposed between said casing and bandy for holding the.end of said band in frictional- Contact withv said druml duringrotationof said drum.

hicle, a friction member disposed abouty said element7 'and a rotatablemember interposed between Vsaidcasing andv friction member andv adaptedto resist a tnrningmovement of said rotatable member in one directionand vto allow :treefniovement VVof said .rotatable member inthe oppositedirection, movement of said running gear-.withrespect' to said iframe.lin ,one direction and release saidrfric-V tion member upon movement inanA opposite direction.

signature.' Y

In testimony whereol'hereunto aix my Lief i VBertini@ L.-MaillonY;A

